The index has now given up 5.6% so far this week and is on track for its biggest weekly fall since March, when markets were in a downward spiral.

Nationwide, the highest average price for regular-grade gas is in the San Francisco Bay Area at $3.27 per gallon. The lowest average is in Baton Rouge, Louisiana, at $1.79 per gallon.

Oil prices are continuing to collapse, and U.S. stocks dropped to their worst loss in weeks as worries sweep markets about the economic damage caused by the coronavirus outbreak.

The global benchmark for crude oil has risen above $70 a barrel for the first time in over three months.

The price of oil has surged on the news of the United States' military strike that killed Iran's top general.

Iran's president says a new oil field has been discovered with an estimated 50 billion barrels of crude oil in the country's south.

Saudi Arabia's energy minister says 50% of the production cut by the attack on its oil processing plant has been restored.

Vice President Mike Pence is headed to Ohio to headline a fundraiser for the oil-and-gas industry.

Iranian President Hassan Rouhani said the U.S. is targeting oil exports as part of efforts to reimpose sanctions on Iran.